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Atits, Bees and Wasps; a Record of Observatious ou the Social Hymeuoptera London, 



Kegan Paul & Co. With coloured plates, 1882) (International Scientific Series, Voi. XL). 

 Ameisen, Bienen und Wespen (Iuteruat. Wissensch. Bibliothek LVII Bd. Leipzig, 1883 . 



Fourinis, Abeilles et gupes, tudes exp rimentales sur l'organisation et les uoeurs des 



socits d'insectes byinnoptres (2 voi. Paris, Germer Baillire, I : XII, pp. 196, fig. 1-23, 

 5 pi. col., II; pp. 204, fig. 24 65, 1883). 



Ants, Bees and Wasps: a Record of Observatious on the Habits of the Social Hynieuoptera 



(7 edition, pp. 470, 5 eh., London, 1884). 



Observatious on Auts, Bees and Wasps. P. XI with 2 ili. (Journ. Liun. Soc. London, 



Zool. London, Voi. 20, N. 119. pp. 118136, 1888. 



Lukkvvitsch W., Api, vespe e termiti (2. a edizione di F. Paulenkow, pp. 68 con 16 fig., Pie- 

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Marchal P., La castration nutriciale chez les Hymuoptres sociaux (C. Rend. Sane. Soc. Biol.. 

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Mli.enhokf K.. Gesellschaft8leben der Thiere (Die Natnr, Halle, 40 Jhg., N. 41, pp. 481-484, 



N. 42, pp. 493-496, N. 43 pp. 505-508, 18971 (I Tliierschaaren. II Thiergenossenschaften, III, 



Staaten der Wespeu uud Hummeln. IV St. der Bieneu und Termiten, V. Ameisenstaaten). 

 Mllkr F., ttecent Researcbes on Terni ites and Houey-Bees (Nature, London, Bd. 9, Feb. 19, 



1874. 

 NaChtsheim H., Das Verhalten der Bienenkonigiu und auderer Hyuienopterenweibcben bei der 



Eiablage (Naturwiss. Wochenschrs. Neue Folge, Bd. 13, N. 29, p. 452-455, Jena, 1914). 

 Natzmer G. V., Ueber Konvergeuzen ini Leben der Ameiseu uud Termiten (Zeitsch. f. wiss. In- 



sektenbiologie, Husum XI, p. 161 165). 

 Nkwport G., Ou the habits aud the Structure of the Nests of gregarions Hyuienoptera, parti- 



culary those the Hive Bee and Hornet (Trans. Ent. Soc. Lond., III, pp. 183-190, 1842). 

 Pethucci R., Origine polyphyltique, homotypie et non Comparabilit directe des Socits 



Auimales (Bruxelles, Trav. Inst. Sociol., p. 132, 1906 . 

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2 tigs., 1914). 

 Romanes J. Homing Faculty of Hymeuoptera (Nature, London, voi. 32, p. 630, 1885). 

 Scholz E. J.. Bienen und Wespen, ihre Gewohnheiten und Bauten (Leipzig pp. 8 und 2S0. m. 



80 figg., 1913). 

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128 130, 1855). 

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1898). 

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pp. 649-658, 1913). 

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mol. Haag, pp. 27-97, 1 taf. 1890). 



Beispiele rezenter Artenbildung bei Ameiseugiisteu und Termitengiisteu (Biol. Centralbl. 



Leipzig, Bd. 26, pp. 565-580, 1906). 



Das Gesellschaftsleben der Ameisen. Das Zusammenleben von Ameisen verschiedener 



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2 Bd., 3 Ser., II Part., pp. 115-129, 1864). 

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1921). 



Social life among the iusects (The scientific Monthly, Lancaster, XV, pp. 68-88, 1922 . 



Psicologia degli Insetti Sociali. 



ANDR E., Uu nouvel exemple d'intelligence chez les fourmiB (Feuille Jeuu. Naturai. Paris (3), 



24 Ann., N. 288, p. 190, 1894). 

 Armbruster L., Vom Horea der Iusekten (Bieneu) (Die Naturwiss, p. 602-603, Berlin, 1922). 

 Bachmann. Vedi pag. 777. 

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Gesain. Physiol, Bonn 70, pp. 15-100 pls. 1 and 2, 5 text-figg. 1898). 



Noch eiumal iiber die psychischen Quali tiiteu der Ameisen (Ibid. 79, pi. 1 and 2, pp. 39 52, 



1900). 



Psychical Qualities ot Ants and Bees (Abstr. by Caswell Grave. Amer. Naturalist, Philadel- 



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